The Blackburn Core 2 Floor Pump shares all the techy bits of its big siblings but is built for folks operating on a smaller budget. The Airtap™ will function with Shrader, Presta, and Dunlop valves and has an integrated bleed valve for dialing in your pressure. The aviation style gauge is 2.5 inches wide and is easy to read.It's built into the base to add to the stability while in use. Whether you're in the basement, the garage, or at the trail head, the Blackburn Core 2 Floor Pump has you covered.